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wala / ML

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Use points-to analysis instead of creation sites for dataset dataflow tensor sources #128

Closed khatchad closed 6 months ago

khatchad commented 6 months ago

Use a points-to analysis of def.getDef() here and see if there is an object whose creation node resides in read_datasets(). I don't think we need the direct relationship here as is currently done because the dataset case is a bit different from the previous case. In the previous case, we're only selecting tensor "generators," but in this case, we are looking for tensors coming out of datasets, whether their "new" or not. We're not currently at the point where we are tracking tensors through datasets.

https://github.com/wala/ML/blob/6e53776d319e732f9cdf894f99237de55fa92f23/com.ibm.wala.cast.python.ml/source/com/ibm/wala/cast/python/ml/client/PythonTensorAnalysisEngine.java#L119-L128

khatchad commented 6 months ago

The def is empty in the PA, because we don't have a class for datasets. We also don't have classes for tensors, so this is consistent with the other APIs.